#!/bin/bash
PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:~/bin
export PATH

# Check if user is root
if [ $(id -u) != "0" ]; then
    echo "Error: You must be root to run this script!"
    exit 1
fi

echo "+-------------------------------------------+"
echo "|    Manager for LNMP, Written by Hongm     |"
echo "+-------------------------------------------+"

PHPFPMPIDFILE=/usr/local/php/var/run/php-fpm.pid

arg1=$1
arg2=$2

lnmp_start()
{
    echo "Starting LNMP..."
    /etc/init.d/nginx start
    /etc/init.d/mariadb start
    /etc/init.d/php-fpm start
}

lnmp_stop()
{
    echo "Stoping LNMP..."
    /etc/init.d/nginx stop
    /etc/init.d/mariadb stop
    /etc/init.d/php-fpm stop
}

lnmp_reload()
{
    echo "Reload LNMP..."
    /etc/init.d/nginx reload
    /etc/init.d/mariadb reload
    /etc/init.d/php-fpm reload
}

lnmp_kill()
{
    echo "Kill nginx,php-fpm,mysql process..."
    killall nginx
    killall mysqld
    killall php-fpm
    killall php-cgi
    echo "done."
}

lnmp_status()
{
    /etc/init.d/nginx status
    if [ -f $PHPFPMPIDFILE ]; then
        echo "php-fpm is runing!"
    else
        echo "php-fpm is stop!"
    fi
    /etc/init.d/mariadb status
}

Function_Vhost()
{
    case "$1" in
    [aA][dD][dD])
        Add_VHost
    ;;
    [lL][iI][sS][tT])
        List_VHost
    ;;
    [dD][eE][lL])
        Del_VHost
    ;;
    [eE][xX][iI][tT])
        exit 1
    ;;
    *)
        echo "Usage: lnmp vhost {add|list|del}"
        exit 1
    ;;
esac
}

Function_Mysql()
{
    case "$1" in
    [aA][dD][dD])
        Add_Database_Menu
        Add_Database
    ;;
    [lL][iI][sS][tT])
        List_Database
    ;;
    [dD][eE][lL])
        Del_Database
    ;;
    [eE][xX][iI][tT])
        exit 1
    ;;
    *)
        echo "Usage: lnmp mysql {add|list|del}"
        exit 1
    ;;
esac
}

Function_Ftp()
{
    case "$1" in
    [aA][dD][dD])
        Add_Ftp_Menu
        Add_Ftp
    ;;
    [lL][iI][sS][tT])
        List_Ftp
    ;;
    [dD][eE][lL])
        Del_Ftp
    ;;
    [eE][xX][iI][tT])
        exit 1
    ;;
    *)
        echo "Usage: lnmp ftp {add|list|del}"
        exit 1
    ;;
esac
}

Add_VHost()
{
    domain=""
    read -p "Please enter domain(example: www.emoodle.org): " domain
    if [ "${domain}" = "" ]; then
        echo "No enter,domain name can't be empty."
        exit 1
    fi
    if [ ! -f "/usr/local/nginx/conf/vhost/${domain}.conf" ]; then
        echo "======================================"
        echo " Your domain: ${domain}"
        echo "======================================" 
    else
        echo "==============================="
        echo "${domain} is exist!"
        echo "==============================="
    fi
    
    read -p "Do you want to add more domain name? (y/n) " add_more_domainame

    if [ "${add_more_domainame}" == "y" ]; then

        read -p "Enter domain name(example: emoodle.org *.emoodle.org): " moredomain
        echo "domain list: ${moredomain}"
        moredomainame=" ${moredomain}"
    fi

    vhostdir="/home/wwwroot/${domain}"
    echo "Please enter the directory for the domain: $domain"
    read -p "(Default directory: /home/wwwroot/${domain}): " vhostdir
    if [ "${vhostdir}" = "" ]; then
        vhostdir="/home/wwwroot/${domain}"
    fi
    echo "Virtual Host Directory: ${vhostdir}"

    echo "==========================="
    echo "Allow Rewrite rule? (y/n)"
    echo "==========================="
    read allow_rewrite

    if [ "${allow_rewrite}" == "n" ]; then
        rewrite="none"
    else
        rewrite="other"
        echo "Please enter the rewrite of programme: "
        echo "moodle,wordpress,discuz,typecho,sablog,dabr rewrite was exist."
        read -p "(Default rewrite: other):" rewrite
        if [ "${rewrite}" = "" ]; then
            rewrite="other"
        fi
    fi
    echo "==========================="
    echo "You choose rewrite=${rewrite}"
    echo "==========================="

    echo "==========================="
    echo "Allow access_log? (y/n)"
    echo "==========================="
    read access_log

    if [ "${access_log}" == "n" ]; then
        al="access_log off;"
    else
        read -p "Enter access log name(Default access log file:${domain}.log): " al_name
        if [ "${al_name}" = "" ]; then
            al_name="${domain}"
        fi
        al="access_log  /home/wwwlogs/${al_name}.log  access;"

    echo "You access log filename: ${al_name}.log"
    fi

    echo "======================================================"
    echo "Create database and MySQL user with same name (y/n)"
    echo "======================================================"
    read create_database

    if [ "${create_database}" == "y" ]; then
        Verify_MySQL_Password
        Add_Database_Menu
    fi


    if [ -f /usr/local/pureftpd/sbin/pure-config.pl ]; then
        echo "======================================================"
        echo "Create ftp account (y/n)"
        echo "======================================================"
        read create_ftp

        if [ "${create_ftp}" == "y" ]; then
            if [ "${create_database}" != "y" ]; then
                Verify_MySQL_Password
            fi
            Add_Ftp_Menu
        fi
    fi

    echo ""
    echo "Press any key to start create virtul host..."
    OLDCONFIG=`stty -g`
    stty -icanon -echo min 1 time 0
    dd count=1 2>/dev/null
    stty ${OLDCONFIG}

    echo "Create Virtul Host directory......"
    mkdir -p ${vhostdir}
    if [ "${access_log}" == "n" ]; then
        touch /home/wwwlogs/${al_name}.log
    fi
    echo "set permissions of Virtual Host directory......"
    chmod -R 755 ${vhostdir}
    chown -R www:www ${vhostdir}

    if [ ! -f /usr/local/nginx/conf/${rewrite}.conf ]; then
        echo "Create Virtul Host ReWrite file......"
        touch /usr/local/nginx/conf/${rewrite}.conf
        echo "Create rewirte file successful,You can add rewrite rule into /usr/local/nginx/conf/${rewrite}.conf."
    else
        echo "You select the exist rewrite rule:/usr/local/nginx/conf/${rewrite}.conf"
    fi

    cat >/usr/local/nginx/conf/vhost/${domain}.conf<<EOF
server
    {
        listen 80;
        #listen [::]:80;
        server_name ${domain}${moredomainame};
        index index.html index.htm index.php default.html default.htm default.php;
        root  ${vhostdir};
#memc        location /memc {
#memc            internal;
#memc            memc_connect_timeout 100ms;
#memc            memc_send_timeout 100ms;
#memc            memc_read_timeout 100ms;
#memc            set $memc_key $query_string;
#memc            set $memc_exptime 300;
#memc            memc_pass memcache;
#memc        }
        include ${rewrite}.conf;
        #error_page   404   /404.html;
        location ~ [^/]\.php(/|$)
        {
#memc            set $key $uri$args;
#memc            srcache_fetch GET /memc $key;
#memc            srcache_store PUT /memc $key;
            # comment try_files \$uri =404; to enable pathinfo
            try_files \$uri =404;
            fastcgi_pass  unix:/dev/shm/php-cgi.sock;
            fastcgi_index index.php;
            include fastcgi.conf;
            include pathinfo.conf;
        }

        location ~ .*\.(gif|jpg|jpeg|png|bmp|swf)$
        {
            expires      30d;
        }

        location ~ .*\.(js|css)?$
        {
            expires      12h;
        }

        ${al}
    }
EOF
    if grep -Eqi "^#memc" /usr/local/nginx/conf/nginx.conf; then
         echo "Nginx without memc module!"
     else
         sed -i 's:^#memc::g' /usr/local/nginx/conf/vhost/${domain}.conf
    fi
    if [ "${rewrite}" = "moodle" ]; then
        mkdir -p ${vhostdir}data
        chmod -R 777 ${vhostdir}
        chmod -R 777 ${vhostdir}data
        chown -R www:www ${vhostdir}data
        cat >${vhostdir}/.user.ini<<EOF
open_basedir=${vhostdir}/:/tmp/:/proc/:${vhostdir%/*}/moodledata/
EOF
     else
        cat >${vhostdir}/.user.ini<<EOF
open_basedir=${vhostdir}:/tmp/:/proc/
EOF
    fi
    chmod 644 ${vhostdir}/.user.ini
    chattr +i ${vhostdir}/.user.ini

    /etc/init.d/php-fpm restart

    echo "Test Nginx configure file......"
    /usr/local/nginx/sbin/nginx -t
    echo ""
    echo "Restart Nginx......"
    /usr/local/nginx/sbin/nginx -s reload
    if [ "${create_database}" == "y" ]; then
        Add_Database
    fi
    if [ "${create_ftp}" == "y" ]; then
        Add_Ftp
    fi

    echo "================================================"
    echo "Virtualhost infomation:"
    echo "Your domain: ${domain}"
    echo "Home Directory: ${vhostdir}"
    echo "Rewrite: ${rewrite}"
    if [ "${access_log}" = "n" ]; then
        echo "Enable log: no"
     else
        echo "Enable log: yes"
    fi
    if [ "${create_database}" = "y" ]; then
        echo "Database username: ${database_name}"
        echo "Database userpassword: ${mysql_password}"
        echo "Database Name: ${database_name}"
     else
        echo "Create database: no"
    fi
    if [ "${create_ftp}" = "y" ]; then
        echo "FTP account name: ${ftp_account_name}"
        echo "FTP account password: ${ftp_account_password}"
     else
        echo "Create ftp account: no"
    fi
    echo "================================================"
}

List_VHost()
{
    echo "Nginx Virtualhost list:"
    ls /usr/local/nginx/conf/vhost/ | grep ".conf$" | sed 's/.conf//g'
}

Del_VHost()
{
    echo "======================================="
    echo "Current Virtualhost:"
    List_VHost
    echo "======================================="
    domain=""
    read -p "Please enter domain you want to delete: " domain
    if [ "${domain}" = "" ]; then
        echo "No enter,domain name can't be empty."
        exit 1
    fi
    if [ ! -f "/usr/local/nginx/conf/vhost/${domain}.conf" ]; then
        echo "=========================================="
        echo "Domain: ${domain} was not exist!"
        echo "=========================================="
        exit 1
    else
        rm -f /usr/local/nginx/conf/vhost/${domain}.conf
        echo "========================================================"
        echo "Domain: ${domain} has been deleted."
        echo "Website files will not be deleted for security reasons."
        echo "You need to manually delete the website files."
        echo "========================================================"    
    fi
}

Check_DB()
{
    if [[ -s /usr/local/mariadb/bin/mysql && -s /usr/local/mariadb/bin/mysqld_safe && -s /etc/my.cnf ]]; then
        MySQL_Bin="/usr/local/mariadb/bin/mysql"
    else
        MySQL_Bin="/usr/local/mysql/bin/mysql"
    fi
}

Verify_MySQL_Password()
{
    read -p "verify your current MySQL root password: " mysql_root_password
    ${MySQL_Bin} -uroot -p${mysql_root_password} -e "quit"
    if [ $? -eq 0 ]; then
        echo "MySQL root password correct."
    else
        echo "MySQL root password incorrect!Please check!"
        Verify_MySQL_Password
    fi
    if [ "${mysql_root_password}" = "" ]; then
        Verify_MySQL_Password
    fi
}

Enter_Database_Name()
{
    read -p "Enter database name: " database_name
    if [ "${database_name}" = "" ]; then
        echo "Database Name can't be empty!"
        exit 1
    fi
}

Add_Database_Menu()
{
    Enter_Database_Name
    echo "Your will create a database and MySQL user with same name: ${database_name}"
    read -p "Please enter password for mysql user ${database_name}: " mysql_password
    echo "Your password: ${mysql_password} "
}

Add_Database()
{
    ${MySQL_Bin} -uroot -p${mysql_root_password} -e "CREATE USER '${database_name}'@'127.0.0.1' IDENTIFIED BY '${mysql_password}'"
    ${MySQL_Bin} -uroot -p${mysql_root_password} -e "CREATE USER '${database_name}'@'localhost' IDENTIFIED BY '${mysql_password}'"
    [ $? -eq 0 ] && echo "User ${database_name} create Sucessfully." || echo "User ${database_name} already exists!"
    ${MySQL_Bin} -uroot -p${mysql_root_password} -e "GRANT USAGE ON *.* TO '${database_name}'@'127.0.0.1' IDENTIFIED BY '${mysql_password}'"
    ${MySQL_Bin} -uroot -p${mysql_root_password} -e "GRANT USAGE ON *.* TO '${database_name}'@'localhost' IDENTIFIED BY '${mysql_password}'"
    ${MySQL_Bin} -uroot -p${mysql_root_password} -e "CREATE DATABASE ${database_name}"
    [ $? -eq 0 ] && echo "Database: ${database_name} create Sucessfully." || echo "Database: ${database_name} already exists!"
    ${MySQL_Bin} -uroot -p${mysql_root_password} -e "GRANT ALL PRIVILEGES ON ${database_name}.* TO '${database_name}'@'127.0.0.1';"
    ${MySQL_Bin} -uroot -p${mysql_root_password} -e "GRANT ALL PRIVILEGES ON ${database_name}.* TO '${database_name}'@'localhost';"
    [ $? -eq 0 ] && echo "GRANT ALL PRIVILEGES ON ${database_name} Sucessfully." || echo "GRANT ALL PRIVILEGES ON ${database_name} failed!"
    ${MySQL_Bin} -uroot -p${mysql_root_password} -e "FLUSH PRIVILEGES"
    [ $? -eq 0 ] && echo "FLUSH PRIVILEGES Sucessfully." || echo "FLUSH PRIVILEGES failed!"
}

List_Database()
{
    ${MySQL_Bin} -uroot -p${mysql_root_password} -e "SHOW DATABASES;"
    [ $? -eq 0 ] && echo "List all databases Sucessfully." || echo "List all databases failed!"
}

Del_Database()
{
    List_Database
    Enter_Database_Name
    if [[ "${database_name}" = "information_schema" || "${database_name}" = "mysql" || "${database_name}" = "performance_schema" ]]; then
        echo "MySQL System Database can't be delete!"
        exit 1
    fi
    echo "Your will delete database and MySQL user with same name: ${database_name}"
    echo "Sleep 10s,Press ctrl+c to cancel..."
    sleep 10
    ${MySQL_Bin} -uroot -p${mysql_root_password} -e "DROP USER '${database_name}'@'127.0.0.1'"
    ${MySQL_Bin} -uroot -p${mysql_root_password} -e "DROP USER '${database_name}'@'localhost'"
    ${MySQL_Bin} -uroot -p${mysql_root_password} -e "DROP DATABASE ${database_name}"
    [ $? -eq 0 ] && echo "Database: ${database_name} deleted Sucessfully." || echo "Database: ${database_name} not exist!"
    ${MySQL_Bin} -uroot -p${mysql_root_password} -e "FLUSH PRIVILEGES"
    [ $? -eq 0 ] && echo "FLUSH PRIVILEGES Sucessfully." || echo "FLUSH PRIVILEGES failed!"
}

Enter_Ftp_Name()
{
    read -p "Enter ftp account name: " ftp_account_name
    if [ "${ftp_account_name}" = "" ]; then
        echo "FTP account name can't be empty!"
        exit 1
    fi
}

Add_Ftp_Menu()
{
    Enter_Ftp_Name
    read -p "Enter password for ftp account ${ftp_account_name}: " ftp_account_password
    if [ "${ftp_account_password}" = "" ]; then
        echo "FTP password can't be empty!"
        exit 1
    fi
    if [ "${vhostdir}" = "" ]; then
        read -p "Enter directory for ftp account ${ftp_account_name}: " vhostdir
        if [ "${vhostdir}" = "" ]; then
            echo "Directory can't be empty!"
            exit 1
        fi
    fi
}

Check_Pureftpd()
{
    if [ ! -f /usr/local/pureftpd/sbin/pure-config.pl ]; then
        echo "Pureftpd was not installed!"
        exit 1
    fi
}

Add_Ftp()
{
    www_uid=`id -u www`
    www_gid=`id -g www`
    ${MySQL_Bin} -uroot -p${mysql_root_password} -e "INSERT INTO ftpusers.users VALUES ('${ftp_account_name}', MD5('${ftp_account_password}'), ${www_uid}, ${www_gid}, '${vhostdir}', 0, 0, 0, 0, '*', '${domain}', '1', 0, 0)"
    [ $? -eq 0 ] && echo "Created FTP User: ${ftp_account_name} Sucessfully." || echo "FTP User: ${ftp_account_name} already exists!"
}

List_Ftp()
{
    ${MySQL_Bin} -uroot -p${mysql_root_password} -e "SELECT User,Dir FROM ftpusers.users users ORDER BY User ASC"
    [ $? -eq 0 ] && echo "List FTP User Sucessfully." || echo "Read database failed."
}

Del_Ftp()
{
    List_Ftp
    Enter_Ftp_Name
    echo "Your will delete ftp user ${ftp_account_name}"
    echo "Sleep 10s,Press ctrl+c to cancel..."
    sleep 10
    ${MySQL_Bin} -uroot -p${mysql_root_password} -e "DELETE FROM ftpusers.users WHERE User='${ftp_account_name}'"
    [ $? -eq 0 ] && echo "FTP User: ${ftp_account_name} deleted Sucessfully." || echo "FTP User: ${ftp_account_name} not exists!"
}

Check_DB

case "${arg1}" in
    start)
        lnmp_start
        ;;
    stop)
        lnmp_stop
        ;;
    restart)
        lnmp_stop
        lnmp_start
        ;;
    reload)
        lnmp_reload
        ;;
    kill)
        lnmp_kill
        ;;
    status)
        lnmp_status
        ;;
    nginx)
        /etc/init.d/nginx ${arg2}
        ;;
    mysql)
        /etc/init.d/mariadb ${arg2}
        ;;
    mariadb)
        /etc/init.d/mariadb ${arg2}
        ;;
    php-fpm)
        /etc/init.d/php-fpm ${arg2}
        ;;
    pureftpd)
        /etc/init.d/pureftpd ${arg2}
        ;;
    httpd)
        /etc/init.d/httpd ${arg2}
        ;;
    vhost)
        Function_Vhost ${arg2}
        ;;
    database)
        Verify_MySQL_Password
        Function_Mysql ${arg2}
        ;;
    ftp)
        Check_Pureftpd
        Verify_MySQL_Password
        Function_Ftp ${arg2}
        ;;
    *)
        echo "Usage: lnmp {start|stop|reload|restart|kill|status}"
        echo "Usage: lnmp {nginx|mysql|mariadb|php-fpm|pureftpd} {start|stop|reload|restart|kill|status}"
        echo "Usage: lnmp vhost {add|list|del}"
        echo "Usage: lnmp database {add|list|del}"
        echo "Usage: lnmp ftp {add|list|del}"
esac
exit